ER4P-25N3SR - 25A, 600V, 3-Pole, Disconnect Switch

Meet the ER4P-25N3SR, a purpose-built 3-pole disconnect switch designed to deliver safe, reliable electrical isolation in demanding industrial and commercial environments. With a 25A current rating and a 600V voltage tolerance, this switch provides decisive disconnection under load, supporting rigorous lockout/tagout procedures to safeguard maintenance teams and equipment alike.

Key specifications

• Amperage rating: 25A
• Voltage rating: 600V
• Number of poles: 3-Pole
• Product type: Disconnect Switch
• Model: ER4P-25N3SR

Why the ER4P-25N3SR stands out

This model goes beyond a simple on/off control. The ER4P-25N3SR is engineered for dependable, under-load disconnection, ensuring that a circuit is truly isolated when maintenance or servicing is required. Its three-pole design ensures complete phase isolation, which is critical for safely servicing three-phase machinery and systems. The combination of 25A capacity and 600V safety margin makes it a versatile choice for a wide range of equipment, from HVAC controls and motor starters to distribution panels in busy facilities.

Ideal use cases

• Three-phase motor control centers and industrial conveyors requiring reliable isolation during maintenance.
• Panel boards and control cabinets in manufacturing environments where safe lockout/tagout workflows are essential.
• Commercial HVAC systems and pumps that demand quick, definitive circuit disconnection.
• Any system where phase-by-phase isolation is necessary to prevent accidental energization during servicing.

Practical benefits you’ll notice

• Enhanced safety: Supports proper lockout/tagout practices to protect technicians during service or repairs.
• Clear isolation: 3-pole design ensures all phases are isolated, reducing the risk of accidental energization.
• Durable performance: Built to endure frequent use in demanding environments, delivering consistent disconnection when it matters most.
• Versatile compatibility: Suitable for a variety of industrial and commercial applications that run on standard three-phase power.

Tips for optimal use

Plan maintenance around a clear shutdown sequence that leverages the ER4P-25N3SR’s ability to reliably disconnect under load. Pair it with compatible lockout devices and tagging to create a compliant safety procedure that minimizes downtime and maximizes equipment protection. When selecting a disconnect for your system, consider the total current draw and the service environment to ensure the 25A/600V rating aligns with your load and protection strategies.

Durability and lifecycle

The ER4P-25N3SR is designed with longevity in mind, prioritizing sturdy construction and predictable performance across years of operation in busy facilities. Its 3-pole architecture provides robust isolation capabilities that stay reliable as workloads evolve or expand.

Choose the ER4P-25N3SR for dependable, three-phase isolation that keeps your teams safe and your maintenance windows efficient. This is the dedicated disconnect switch that brings clarity and control to industrial power distribution.